CN201119776Y - Automatic tea making machine - Google Patents

Abstract

The utility model discloses an automatic tea making machine, include: the tea brewing device is provided with a brewing groove body, a closed cover body, a closed brewing chamber defined by the brewing groove body and the closed cover body, a tea temperature sensor and a steam valve unit, the hot water guide unit is used for guiding hot water to the brewing chamber, the electric control unit is provided with a control panel and is electrically connected with the water temperature sensor, the tea temperature sensor, the heating unit, the valve unit, the steam valve unit and the hot water guide unit, and the better tea can be brewed by controlling the brewing temperature, the steam pressure and the brewing time.

Description

automatic tea maker

technical field

The utility model relates to a tea making device, in particular to an automatic tea making machine which can control the brewing water temperature, steam pressure and brewing time.

Background technique

Tea is a unique culture in China. In addition to its special aroma and popularity, there have been more and more researches on various health effects of tea in recent years. Some scholars pointed out that the unique ingredients and functions contained in tea include: caffeine ( Refreshing and strengthening the heart), catechins (anti-oxidation and lowering cholesterol), vitamins (including vitamins A, E, B1, B2 and C, etc., can supplement vitamins), minerals (rich in potassium, promoting blood sodium excretion, and preventing high blood pressure ), flavonols (to eliminate intolerable bad breath), saponin (anti-inflammatory), γ-ammonium butyric acid (lower blood pressure), etc.

Chinese tea can be roughly divided into mature tea that has been matured and completely dried, and semi-fermented tea that has not been completely dried. Among them, dark tea (Pu'er tea, etc.) and black tea can be regarded as mature tea, and the moisture in mature tea is almost completely removed during the process of baking and storage, and must be brewed with high water temperature and high steam pressure when brewing. , to expand the veins of the tea leaves, and extract the ingredients in the tea leaves to release the aroma and charm.

Therefore, Pu-erh tea must be brewed with boiling hot water at 100°C, and brewed in a "thick-bodied" and dense teapot, and then covered with a lid with extremely small ventilation holes. Among them, the thick tire and dense teapot can reduce the temperature of the hot water in the teapot through the body of the teapot and cause the hot water to cool down. The small vent hole in the lid can slow down the steam emission and maintain a certain steam pressure. In addition, some people boil Pu'er tea in hot water, and the lid must be covered when boiling. In order to prevent the high-temperature steam in the pot from escaping and increase the steam pressure, thereby increasing the boiling point of water, the effect is similar to the principle of a pressure cooker.

On the contrary, green tea, white tea, yellow tea, etc. can be regarded as semi-fermented tea. During the production and storage of semi-fermented tea, the leaf veins of the tea still retain varying degrees of water content. Since the water content of semi-fermented tea is higher than that of mature tea, it still has considerable activity. It must be brewed with low water temperature (below boiling point) and low steam pressure, and it must be brewed with a "thin" teapot or purple sand pot. Then cover the pot lid with large ventilation holes for brewing, so as to avoid high-temperature hot water from scalding the tea leaves, and avoid extracting too much theophylline from the scalded tea leaves to make the tea bitter, and also prevent damage to the tea leaves. vitamins. Among them, the teapot with a thin tire can speed up the conduction of hot water to the outside and reduce the water temperature quickly, and the lid with large vent holes can accelerate the escape of steam and achieve the effect of reducing the steam pressure. Therefore, most green tea, white tea, and yellow tea are brewed at low temperature (below boiling point), or even cold brewed tea.

The tea making principles of the above-mentioned mature tea and semi-fermented tea can be further simulated as the cooking process of stewing Chinese medicinal materials and blanching green vegetables respectively. Since Chinese herbal medicines are completely dried and matured and have extremely low water content, they must be stewed in clay pots for several hours according to the ancient method when cooking. During the process, the pot lids without ventilation holes should be covered to increase the steam pressure in the pots and reduce the water content. Raise the boiling point of water, and then extract the medicinal effect of Chinese medicinal materials. On the contrary, due to the high water content of green vegetables, they are quite active. Usually, they are taken out of the pot after being scalded with hot water, or cooked in a fast-fire and quick-fry method, and the pot is opened during the cooking process. The purpose of the cover is also to avoid the destruction of vitamins due to the ripening of vegetable fibers by high temperature, and to maintain the freshness of vegetables.

It can be seen from the above description that for different types of tea leaves (for example: white tea, green tea, yellow tea, black tea, black tea), due to their different water contents, the brewing conditions (hot water temperature, steam pressure in the teapot, brewing temperature, etc.) Soaking time) must also be different, just like dried and matured traditional Chinese medicine and green vegetables that are rich in water and still active, they must be cooked in different ways. Therefore, for different tea types, only by controlling the appropriate brewing water temperature, steam pressure, and brewing time can we avoid brewing bitter green tea with completely destroyed vitamins, or bland Puer tea.

However, when most people make tea, for any kind of tea, they put the tea leaves into the teapot and brew them with boiling hot water at a high temperature of 100°C, without considering the different characteristics of different tea kinds, resulting in high The water temperature and high steam pressure extract the excessive theophylline in the tea (semi-fermented tea), making the tea too bitter. In addition, for tea drinkers, it is necessary to prepare teapots with different characteristics (thick tire, thin tire, purple sand, vent holes of different sizes, etc.) for each tea type, and then properly control the water temperature and the steam in the teapot. It takes stress to drink a good cup of tea, which is extremely troublesome and time-consuming.

Therefore, the author of this case is thinking about how to brew a cup of good tea more conveniently for different tea types, and coffee from Western culture can be brewed by using high temperature and high pressure machines to extract the essence of coffee, but the market However, there is no automatic tea making machine that can control the brewing water temperature, steam pressure, and brewing time. Therefore, after years of tea making experience and research and development, this product comes out.

Utility model content

The purpose of the utility model is to provide an automatic tea maker which can control the brewing water temperature, steam pressure, and brewing time.

The automatic tea making machine of the utility model is used for mixing and brewing tea leaves and hot water. The automatic tea making machine includes a heating barrel device, a tea brewing device, a hot water guiding unit, a tea supply unit, and a electronic control unit.

The heating bucket device has a bucket body surrounding a boiling water chamber, a heating unit for heating, a water temperature sensor for sensing water temperature, and a pressure release valve that can be opened to allow the boiling water chamber to communicate with the outside world. valve unit.

The tea brewing device has a brewing tank body, a closing cover for closing the brewing tank body, an airtight container which is surrounded and defined by the brewing tank body and the closing cover body and is used to hold tea leaves and hot water. A brewing container, a tea temperature sensor for sensing the temperature of the brewing container, and a valve unit that can be opened to allow the brewing container to communicate with the outside for pressure release.

The hot water guiding unit is used to guide the hot water in the boiling water chamber to the brewing chamber, the tea supply unit is used to guide and discharge the tea in the brewing chamber, and the electric control unit It has a control panel, and is electrically connected with the water temperature sensor, the tea temperature sensor, the heating unit, the valve unit, the valve unit, the hot water guiding unit, and the tea supply unit.

The beneficial effects of the utility model are: by controlling the appropriate brewing temperature, steam pressure and brewing time, it is used to brew tea with better taste.

Description of drawings

Fig. 1 is the sectional schematic view of the preferred embodiment of the automatic tea making machine of the present invention;

Fig. 2 is a schematic top view of the preferred embodiment;

Fig. 3 is a view similar to Fig. 1, illustrating that the door panel is opened, and the brewing tank is away from the closing cover, so as to facilitate the removal of the brewing tank;

Fig. 4 is a schematic diagram of the appearance of the control panel of the preferred embodiment.

Detailed ways

The automatic tea making machine of the present utility model is described in detail below by preferred embodiment and accompanying drawing:

The aforementioned and other technical contents, features and effects of the present utility model will be clearly understood in the following detailed description of a preferred embodiment with reference to the drawings.

As shown in Figures 1, 2 and 3, the preferred embodiment of the automatic tea making machine of the present invention is used to mix and brew tea leaves 11 with hot water. The preferred embodiment of the automatic tea making machine includes a body 2 , a heating barrel device 3 , a tea brewing device 4 , a hot water guiding unit 5 , a tea supply unit 6 , a positioning device 7 , and an electric control unit 8 .

The body 2 has an upper mounting base 21 , a lower mounting base 22 , and an openable door panel 23 .

The heating barrel device 3 is installed in the body 2, and has a barrel body 31 located on the lower mounting seat 22 and surrounding a boiling water chamber 32, a heating unit 33 capable of heating water, and a water temperature sensor. Detector 34, and a valve unit 35.

The water temperature sensor 34 can be used to sense the temperature of the hot water in the boiling water chamber 32 . The valve unit 35 can be opened to allow the boiling water chamber 32 to communicate with the outside world and release pressure, and has a pressure relief opening 351 at the top of the barrel body 31, and a pressure relief opening 351 that can move relative to the pressure relief opening 351 to cover the pressure relief valve. The first closing plate 352 of the opening 351 and a first driving member 353 for driving the first closing plate 352 to move relative to the pressure relief opening 351 .

The pressure relief opening 351 is generally in the shape of a long hole. When the first closing plate 352 partially covers the pressure relief opening 351, the high temperature steam in the boiling water chamber 32 can be opened through the pressure relief opening 351. When the first sealing plate 352 fully seals the pressure relief opening 351, the boiling water chamber 32 is completely sealed and cannot release pressure. In addition, the first driving member 353 is powered by the electric current. Control unit 8 control.

The tea brewing device 4 has a brewing tank body 41, a closing cover 42 for closing the brewing tank body 41, a brewing tank body 41 and the closing cover body 42 are jointly surrounded and sealed. A container 43 , a tea temperature sensor 44 for sensing the temperature of the brewing container 43 , and a steam valve unit 45 . The brewing tank 41 is roughly cup-shaped, and has a tea outlet 411 at the bottom, and a tea filter 412 adjacent to the tea outlet 411 . The closing cover 42 is integrally assembled with the upper mounting seat 21 of the body 2, the brewing chamber 43 is used to hold tea leaves 11 and hot water, and there is a gap between the brewing tank 41 and the closing cover 42 Waterproof gasket12.

The valve unit 45 has a plurality of pressure relief holes 451 located on the closure cover 42 and communicating with the brewing chamber 43 , and a second closure plate 452 that can move relative to the pressure relief holes 451 to cover the pressure relief holes 451 , and a second driving member 453 that can drive the second closing plate 452 to move relative to the pressure relief hole 451 .

The pressure relief holes 451 are arranged in a straight line at intervals. When the second closing plate 452 covers part of the pressure relief holes 451, the high temperature steam in the brewing chamber 43 can be discharged through the unshielded pressure relief holes 451. And pressure relief and cooling, when the second closing plate 452 completely closed the pressure relief hole 451, the brewing chamber 43 is completely sealed and can not release pressure, in addition, the second driving member 453 is controlled by the electric Unit 8 controls. In this embodiment, the first and second driving members 353 and 453 are both a driving motor.

The hot water guiding unit 5 is used to guide the hot water of the heating bucket device 3 to the tea brewing device 4 . The hot water guiding unit 5 has a hot water guiding tube set 51 connected between the boiling water container 32 and the brewing container 43, and a water guiding pump 52 connected to the hot water guiding tube set 51. The water diversion pump 52 is controlled by the electronic control unit 8 .

The tea supply unit 6 is used to guide and discharge the tea in the brewing chamber 43. The tea supply unit 6 has a tea guide tube group 61 connected to the tea outlet 411 of the brewing tank body 41, and a tea guide pipe group 61 connected to the brewing tank body 41. The water outlet solenoid valve 62 of the tea guide tube set 61 and a tea collection cup 63 located below the tea guide tube set 61 . There is also the waterproof gasket 12 between the tea outlet 411 and the tea guide tube set 61 , and the water outlet solenoid valve 62 is controlled by the electric control unit 8 .

The positioning device 7 is used for positioning the brewing tank body 41, and has a positioning seat 71 for the brewing tank body 41 to be installed, and a driving unit 72 to drive the positioning seat 71 to move. The brewing tank 41 is detachably installed on the positioning seat 71, the driving unit 72 has a cam 721 abutting the positioning seat 71, a rotating shaft 722 that can drive the cam 721 to pivot, and a drive unit to drive the cam 721 to pivot. The shaft 722 pivots the handle 723 . By pulling the handle 723, the rotating shaft 722 is pivoted, and then the cam 721 is driven to push the positioning seat 71 up and down, so that the brewing tank 41 rises to abut against the closing cover 42 for positioning (see FIG. 1 ). On the contrary, reversely drive the positioning seat 71 to descend, which can drive the brewing tank body 41 away from the closing cover body 42 (see Figure 3). Remove tea leaves 11 residue.

1, 2, 4, the electric control unit 8 has a control panel 81 for user setting. The electric control unit 8 is electrically connected with the water temperature sensor 34 , the tea temperature sensor 44 , the heating unit 33 , the valve unit 35 , the valve unit 45 , the hot water guide unit 5 and the tea supply unit 6 . The electric control unit 8 can control the heating unit 33 to heat or stop heating, and the first driving member 353 of the valve unit 35 to act according to preset instructions after receiving electrical signals from the water temperature sensor 34 and the tea temperature sensor 44. And pressure relief, the second driver 453 action of this steam valve unit 45 and pressure relief, the pilot water pump 52 of this hot water guiding unit 5 starts or closes, and the water outlet electromagnetic valve 62 action of this tea supply unit 6 discharges tea.

Next, the action principle of the present utility model will be described in detail: when the user wants to drink yellow tea (semi-fermented tea) among white tea, green tea, yellow tea, black tea, and black tea, please refer to Figure 3, first of all, open the Behind the door panel 23 , pull the handle 723 to lower the positioning seat 71 and keep the brewing tank 41 away from the closing cover 42 . Then, take out the brewing tank body 41, and after measuring 11 portions of tea leaves for the number of people who want to drink tea with a measuring cup (not shown), pour the tea leaves 11 (yellow tea) into the brewing chamber 43, and then put the The brewing tank body 41 is placed on the positioning seat 71 .

By pulling the handle 723 in the opposite direction, the positioning seat 71 rises, and the brewing tank 41 abuts against the closing cover 42 , so that the brewing chamber 43 is sealed. At this time, press the cup number selection control key 811 of the control panel 81 to select the number of tea cups to be brewed, and at the same time, the cup number display screen 812 displays the number of brewed cups. This embodiment uses 6 cups as an example for illustration . Then, press the tea kind selection control key 813 to select yellow tea, so that the yellow tea light number in the tea kind indicator light 814 lights up, and finally, press the tea making control key 815 to start making tea.

In this embodiment, the electronic control unit 8 pre-stores the control parameters of the brewing temperature of different tea types, wherein the brewing water temperature of white tea is between 40 and 50°C, and the brewing water temperature of green tea is between 70 and 75°C. In general, the water temperature for brewing yellow tea is between 85 and 92°C, the water temperature for brewing black tea is about 95°C, and the temperature for brewing black tea (ripened tea) is about 100°C.

After the user presses the tea making control key 815, the electric control unit 8 reads the water temperature of the heating barrel device 3 through the water temperature sensor 34 after knowing the tea type (yellow tea) from the control panel 81 , and compared with the preset brewing temperature of yellow tea (between 85 and 92° C.), when the water temperature is higher than the preset temperature range of yellow tea, the electric control unit 8 will control the valve unit 35 to discharge steam to release Press down to lower the temperature of the hot water to a range of 85 to 92°C. Conversely, when the water temperature is lower than the preset temperature range of yellow tea, the electric control unit 8 controls the valve unit 35 to close to stop discharging steam, and simultaneously controls the heating unit 33 to start heating until the water temperature rises to 85 to 92°C Within the range, the heating is stopped and the valve unit 35 is opened. At this time, the water temperature is displayed on the water temperature display 816 of the control panel 81 .

After the water temperature has been controlled at the preset brewing temperature of yellow tea, the electric control unit 8 controls the water diversion pump 52 to pump the hot water in the boiling water chamber 32 (as shown by arrow A in FIG. 1 ) to the tea. Tea leaves 11 are mixed in the brewing chamber 43 of the brewing device 4, and the mixing process of hot water and tea leaves 11 in the brewing chamber 43 is the process of making tea, and the amount of hot water pumped by the water pump 52 is That is the number of cups set by the number of cups selection control key 811.

At this time, the electric control unit 8 can learn the temperature of the tea in the tea brewing device 4 from the tea temperature sensor 44. The control unit 8 controls the valve unit 45 so that more pressure relief holes 451 are connected to the outside to discharge steam for pressure relief. Conversely, when the temperature of the tea water is relatively low and closer to the preset brewing temperature lower limit of 85°C for yellow tea, the electronic control unit 8 controls the valve unit 45 to reduce the number of pressure relief holes 451 connected to the outside world, so as to reduce the emission of steam , and maintain the steam pressure and temperature in the brewing chamber 43 .

Further analysis of the utility model shows that the heating barrel device 4 can be regarded as a hot water heating pot capable of controlling hot water temperature and steam pressure, and the tea brewing device 4 can be regarded as a teapot (not shown). The bubble tank body 41 can be regarded as the kettle body of the teapot, the closed cover body 42 can be regarded as the kettle lid of the teapot, and the pressure relief hole 451 can be regarded as a vent hole located at the kettle lid, and by the electric control The unit 8 controls and changes the number of openings of the pressure relief holes 451, just like changing the number or size of the teapot ventilation holes.

When the tea leaves 11 in the brewing chamber 43 are mixed with hot water for a predetermined time, the tea indicator light 817 of the control panel 81 lights up and an alarm sound is issued. At this time, press the tea outlet control key 818 of the control panel 81, the electric control unit 8 controls the water outlet electromagnetic valve 62 of the tea supply unit 6 to operate, and the tea in the brewing chamber 43 can pass through the tea filter. 412 flows out from the tea outlet 411, and flows to the tea collection cup 63 via the tea guide tube set 61 (as shown by arrow B in FIG. 1 ). Then, after the tea collection cup 63 is taken out from the body 2, it is subpackaged into 6 cups for tea drinkers to drink, and the tea making procedure is completed.

After the tea flows out from the tea brewing device 4, since the brewing tank body 41 and the tea leaves 11 are still in a high temperature state, the electric control unit 8 controls all the pressure relief holes 451 of the steam valve unit 45 to open and cool down, so as to To prevent the tea leaves 11 from being scalded by the high-temperature steam, and wait for the user to press the tea-making control key 815 again to brew for the second time.

When the user wants to change to brew black tea (cured tea), similarly, after opening the door panel 23, the brewing tank body 41 is unloaded and the tea dregs are removed at the same time, and unbrewed tea leaves 11 (black tea) are put in. ) after repositioning the brewing tank body 41 in the body 2, repeating the above action to press the cup number selection control key 811, the tea type selection control key 813, and the tea brewing control key 815, the automatic tea making machine is ready Get moving. Because black tea must be brewed under high temperature and high pressure conditions, the electric control unit 8 controls the first closing plate 352 of the steam valve unit 35 to close the pressure relief opening 351, so that the airtight barrel body 31 is sealed and the inside The hot water maintains the brewing conditions of high water temperature and high vapor pressure.

The automatic tea making machine of this embodiment has converted the brewing conditions (brewing temperature, steam pressure, brewing time) data of various tea types (white tea, green tea, yellow tea, black tea, black tea) into control parameters and Instructions are stored in the electronic control unit 8. However, the control parameters are not unique, and the industry can still produce automatic tea machines with different control parameters according to the preferences of consumers.

Through the above description, the advantages of the present utility model can be summarized as follows:

1. By setting the heating unit 33, the water temperature sensor 34, and the valve unit 35 in the heating barrel device 3, the temperature and steam pressure of the hot water in the airtight barrel body 31 are controlled, and its effect is similar to that of controlling the water temperature and steam Pressure hot water heating kettle.

2. By setting the tea temperature sensor 44 and the steam valve unit 45 in the tea brewing device 4 to control the steam pressure in the brewing chamber 43, and then adjusting the number of openings of the pressure relief hole 451, the effect is as Change different kinds of teapots (thick body, thin body, purple sand pot, large vent hole, small vent hole, etc.).

3. By storing the control parameters of various tea types in the electronic control unit 8, when the user selects different tea types, the control unit 8 can output different control commands correspondingly to control the heating barrel device 3 and the tea brewing device 4, its effect is like the user controls the hot water temperature and steam pressure of the hot water heating pot, and selects the appropriate type of teapot to make tea, and is also like a skilled chef, accurately controlling the stewing of traditional Chinese medicine Or the heat of blanching vegetables, therefore, the automatic tea maker can brew tea that is not bitter, but has a strong aroma and a better taste.

It is worth noting that the utility model can have the following design changes:

1. The control panel 81 of the electronic control unit 8 can also add a tea washing button (not shown in the figure). With the button for washing tea, the hot water corresponding to the preset tea making temperature of the tea will first enter the brewing chamber 43 to wash the tea and then discharge it, and then make tea for the first time.

2. The tea supply unit 6 can also add a sensor switch 64 for sensing whether the tea collection cup 63 is installed and positioned. When the user does not place the tea collection cup 63, or the tea collection cup 63 is not positioned, The water outlet solenoid valve 62 will not be able to activate the supply of tea.

3. The tea supply unit 6 can also be provided with a weight sensor 65 for sensing the weight of the tea collection cup 63 so as to prevent the tea collection cup 63 from overflowing.

4. The automatic tea maker of this embodiment can also be designed to edit, set and store various control parameters by the control panel 81, so users can try the flavor of tea brewed by different control parameters by themselves, not only satisfying According to the needs of users, it can meet the continuous innovation of various tea types, and consumers can exchange various control parameters they are looking for and researching and developing for different tea types, and tea farmers can also use the utility model to try to find tea suitable for their own production. Optimum tea-making control parameters will make the use of the utility model more flexible and extremely rich in business opportunities.

5. In this embodiment, the brewing tank body 41 and the tea collection cup 63 are made of ceramic materials, and they can also be made of glass or metal materials in actual use.

To sum up the above, the automatic tea making machine of the present utility model controls the appropriate brewing temperature, steam pressure and brewing time, and adopts different control parameters for different tea types, so as to make the brewing taste better Tea, so really can reach the purpose of utility model.

Claims (8)

1. An automatic tea making machine, which is used to mix and brew tea leaves with hot water. The automatic tea making machine includes a heating barrel device, a tea brewing device, a hot water guiding unit, and a tea supply unit. and an electronic control unit, characterized in that: The heating barrel device has a barrel body surrounding a boiling water chamber, a heating unit for heating, a water temperature sensor for sensing water temperature, and a water temperature sensor for opening the boiling water chamber to communicate with the outside world for pressure release. valve unit; The tea brewing device has a brewing tank body, a closing cover for closing the brewing tank body, an airtight container which is surrounded and defined by the brewing tank body and the closing cover body and is used to hold tea leaves and hot water. A brewing chamber, a tea temperature sensor for sensing the temperature of the brewing chamber, and a valve unit for opening to allow the brewing chamber to communicate with the outside world for pressure release; The hot water guide unit is used to guide the hot water in the boiling water chamber to the brewing chamber; The tea supply unit is used to guide and discharge the tea in the brewing container; and The electric control unit has a control panel, and is electrically connected with the water temperature sensor, the tea temperature sensor, the heating unit, the valve unit, the valve unit, the hot water guiding unit, and the tea supply unit. 2. The automatic tea maker according to claim 1, characterized in that: The hot water guide unit has a hot water guide tube group connecting the boiling water chamber and the brewing chamber, and a water diversion pump connected to the hot water guide tube group. The water diversion pump is powered by the electric Control unit control. 3. The automatic tea maker according to claim 1, characterized in that: The brewing tank has a tea outlet connected to the brewing chamber and located below the tank, and a tea filter adjacent to the tea outlet, the tea supply unit has a tea guide tube group connected to the tea outlet, and a water outlet solenoid valve connected to the tea guiding pipe group, the water outlet solenoid valve is controlled by the electric control unit. 4. The automatic tea maker according to claim 1, characterized in that: The valve unit has a pressure relief opening which is located on the barrel and communicates with the boiling water chamber, a first closing plate which is used to move relative to the pressure relief opening to cover the pressure relief opening, and a first closing plate which is used to drive the first A first driving member for moving the closure plate relative to the pressure relief opening. 5. The automatic tea maker according to claim 1, characterized in that: The valve unit has at least one pressure relief hole located on the closure cover and communicating with the brewing chamber, a second closing plate for moving relative to the pressure relief hole to cover the pressure relief hole, and a second closure plate for driving A second driving member for moving the second closing plate relative to the pressure relief hole. 6. The automatic tea making machine as claimed in claim 1, characterized in that: The automatic tea making machine also includes a positioning device, the positioning device has a positioning seat, and a driving unit that drives the positioning seat to move, the brewing tank is installed on the positioning seat for detachment, and the driving unit The positioning seat drives the brewing tank body to move up and abuts against the closing cover for positioning, and the positioning seat drives the brewing tank body to move downward so that the brewing tank body is far away from the Close the lid. 7. The automatic tea making machine as claimed in claim 6, characterized in that: The driving unit has a cam abutting against the positioning seat, a rotating shaft for driving the cam to pivot, and a handle for driving the rotating shaft to pivot. 8. The automatic tea maker according to claim 3, characterized in that: The tea supply device also has a tea collection cup arranged below the tea guide tube set. 9. The automatic tea maker according to claim 8, characterized in that: The materials of the brewing tank body and the tea collection cup are selected from ceramic materials.

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